All matter is made of indivisible particles called atoms, which cannot be created or destroyed.
Compounds are combinations of atoms of
2 or more elements.
All chemical reactions involve the rearrangement of atoms.
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Answer:
For early earth, it was filled with loads of oxygen and could kill humans if they breathed the oxygen that was in the air about 100 million years ago. This massive amount of oxygen cause massive creatures like the dinosaurs to exist. Current earth has an atmosphere with not too much oxygen.
Explanation:
brainliest
Both the extremities, flagella and cilia, are alike in that they help the cell in this mobilization. Thus, the answer to this item is letter "C. they assist with movement". With their appearances, both are hair - like structures but flagella are longer compared to the cilia.
They all have chromosome disorders (irregular number, extra or missing chromosomes)
